مرور Volume 19, Issue 2 بر اساس عنوان
در حال نمایش موارد 1 - 20 از 28
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Anti-inflammatory properties of saponin fraction from Ophiocoma erinaceus
(Agricultural Research,Education and Extension Organization, 2020-03-01)Marine saponins are naturally glycosides compounds which possess important biomedical properties such as anti-cancer, antioxidant and anti-inflammatory. Nevertheless, no systematic studies on the anti-inflammatory potential ...
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Application of Bacillus amyloliquefaciens as probiotic for Litopenaeus vannamei (Boone) cultivated in a biofloc system
(Agricultural Research,Education and Extension Organization, 2020-03-01)Probiotics can improve growth, survival and resistance to pathogenic organisms of the cultivated species in aquaculture systems with water recirculation. However, their possible benefits on biofloc systems have been less ...
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Biochemical changes in carbohydrate metabolism of the fish – Cyprinus carpio during sub-lethal exposure to biopesticide – Derisom.
(Agricultural Research,Education and Extension Organization, 2020-03-01)Abstract: The effect of the biopesticide - Derisom on certain metabolites and enzymes of carbohydrate metabolism were evaluated in Gill, Liver, Kidney and Muscle of fish Cyprinus carpio during sub-lethal toxicity exposure ...
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Bioethanol a by-product of agar and carrageenan production industry from the tropical red seaweeds, Gracilaria manilaensis and Kappaphycus alvarezii
(Agricultural Research,Education and Extension Organization, 2020-03-01)Two red seaweeds, Gracilaria manilaensis and K. alvarezii are cultivated in Malaysia for producing agar and carrageenan respectively. The residues of these seaweeds after removing agar and carrageenan by dilute acid treatment ...
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Diversity and spatial distribution patterns of the benthic macrofauna communities in the southeast the Caspian Sea (Golestan Province– Iran) in relation to environmental conditions
(Agricultural Research,Education and Extension Organization, 2020-03-01)Biodiversity and structure of the benthic macrofauna communities were studied in the southeast the Caspian Sea (Golestan Province – Iran) during one year from October 2014 to September 2015. Seasonal samplings were done ...
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Diversity of Chironomidae (Insecta: Diptera) genera in Taleghan River, Alborz province, Iran
(Agricultural Research,Education and Extension Organization, 2020-03-01)Chironomidae is one of the most important elements of the aquatic benthos all over the world, which has its own ecological and biological importance in different aspects. The present study has been conducted to investigate ...
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Effect of light and nitrogen concentration on the growth and lipid content of marine diatom, Chaetoceros calcitrans
(Agricultural Research,Education and Extension Organization, 2020-03-01)Abstract The effects of light intensity (µ mol m-2 s-1) and different levels of Nitrogen was made on the biomass and lipid of microalgae Chaetoceros calcitrans under laboratory conditions in the north of Iran ...
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Effects of cortisol treatment and ovaprim treatment on sex steroid hormones, plasma and oocyte cortisol content and ovulation induction in Caspian kutum, "Rutilus frisii (Kamansky, 1901)" broodstocks
(Agricultural Research,Education and Extension Organization, 2020-03-01)Caspian kutum fish (Rutilus frisii) wild broodstocks were caught by gillnet during their upstream migration and subjected to short-time confinement stress and their physiological responses have been examined. ...
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Effects of different feed restriction periods on the growth and fatty acid compositions in juvenile rainbow trout (Oncorhynchus mykiss)
(Agricultural Research,Education and Extension Organization, 2020-03-01)The aim of this study was to determine the effect of different feed restriction periods on the growth performance as well as the biochemical and fatty acid compositions of fillet in rainbow trout (Oncorhynchus mykiss).
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Effects of feeding Artemia franciscana enriched with HUFA, vitamins C and E on growth performance, survival and stress resistance of cuttlefish (Sepia pharaonis) (Ehrenberg, 1831)
(Agricultural Research,Education and Extension Organization, 2020-03-01)This study aimed to evaluate the effects of using Artemia franciscana enriched with cod liver oil and vitamins C and E on the growth, survival and stress resistance of juvenile Sepia pharaonis (Pharaoh ...
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Effects of microelements (Fe, Cu, Zn) on growth and pigment contents of Arthrospira (Spirulina) platensis
(Agricultural Research,Education and Extension Organization, 2020-03-01)A laboratory experiment was conducted to assess the bioaccumulation of microelements Fe 2+, Cu 2+, Zn 2+ and their effects on the growth and pigment contents of Spirulina ...
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Estimation and comparison of effective compounds in two algae species identified in Qeshm Island (Persian Gulf)
(Agricultural Research,Education and Extension Organization, 2020-03-01)Estimation and comparison of effective compounds (mineral contents, amino acid compositions, fatty acid distributions, protein, fat and total fiber contents) in two algal species Sirophysalis trinodis and Polycladia myrica ...
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Evaluation of otolith shape variability in hatchery-reared brook trout (Salvelinus fontinalis), Black Sea trout (Salmo trutta labrax) and their hybrid
(Agricultural Research,Education and Extension Organization, 2020-03-01)In aquaculture, the process of hybridization is used to produce animals that have better growth rates, meat quality, and higher resistance and tolerance to environmental variations than their parental species. The ...
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Evaluation the performance of anaesthetic effects of Tobacco and Ketamine on Grass Carp, Ctenopharyngodon idella (Valenciennes,1844)
(Agricultural Research,Education and Extension Organization, 2020-03-01)The present study aimed to determine the optimal concentration of three anaesthetics, name MS222, ketamine, and tobacco extract, in grass carp juveniles (107.78±22.11 g body weight and 226.74±13.06 mm total body length). ...
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Fatty acids and fat soluble vitamins content of Black Sea round goby (Neogobius melanostomus, Pallas, 1814) during fishing seasons
(Agricultural Research,Education and Extension Organization, 2020-03-01)The aim of the present study was to determine and compare the seasonal changes in proximate composition, fatty acid profile and fat soluble vitamins content in spring and autumn goby (Neogobius melanostomus) caught from ...
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Food and feeding habits of Indian mackerel (Rastrelliger kanagurta) in the southern part of Qeshm Island, Persian Gulf
(Agricultural Research,Education and Extension Organization, 2020-03-01)The study investigated the stomach content of Indian Mackerel (Rastrelliger kanagurta) from the southern part of the Qeshm Island in the Persian Gulf from April 2016 to March 2017. The food and feeding behavior of R. ...
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Immunostimulatory and growth-promoting potential of poly-β-hydroxybutyrate in rainbow trout (Oncorhynchus mykiss) fingerlings culture
(Agricultural Research,Education and Extension Organization, 2020-03-01)In the current study, the effect of dietary supplementation of poly-β-hydroxybutyrate (PHB) on growth performance, digestive enzymes activity, body composition, non-specific immune response and diseases resistance of rainbow ...
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Isolation and characterization of acid-soluble collagen from the skin of Rutilus Frisii Kutum (Kamensky) of the Caspian Sea
(Agricultural Research,Education and Extension Organization, 2020-03-01)This study proceeds to extract collagen from the skin of Rutilus kutum, one of the main and economical species of the Caspian Sea. Acid-soluble collagen (ASC) from the skin of R. kutum was extracted and ...
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Macrobenthic assemblage structure and distribution at the Boojagh Marine National Park, Southern Caspian Sea, Iran.
(Agricultural Research,Education and Extension Organization, 2020-03-01)Although macrobenthic assemblages are considered as major players in many ecosystems around the world, the ecology of Caspian Sea macrobenthos is currently understudied. This study describes the species composition and ...
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Morphological analysis of Alburnoides samiii from Toolkhone River, Guilan Province, South Caspian Sea Basin
(Agricultural Research,Education and Extension Organization, 2020-03-01)This study investigated the effect of the installation of flood dams on the morphological variation of Alburnoides samiii Mousavi-Sabet, Vatandoust & Doadrio, 2015, in Toolkhone River, origin from Somam Mountain, the South ...



